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A numerical study on the nonlinear behavior of corner supported flat and curved panels

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Abstract

The nonlinear behavior of corner supported plates and curved shell panels is investigated here using the first-order shear deformation theory based on Marguerre’s membrane strains for shallow shells and von Kármán’s nonlinearity. The nonlinear differential equations are transformed into a set of nonlinear algebraic equations by using the element-free Galerkin method. The moving kriging shape function with two different types of correlation formulae (Gaussian and quartic spline) is employed here. After studying the effectiveness of the method, a detailed parametric study is conducted to examine the effect of support size on the displacements and bending moments of corner supported rectangular plates. Thereafter, the numerical study is extended to the nonlinear bending and stability behaviors of corner supported shallow cylindrical and spherical shell panels.

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Authors and Affiliations

  1. Department of Applied Mechanics, Indian Institute of Technology Delhi, New Delhi, India

    Gaurav Watts, M. K. Singha & S. Pradyumna

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  1. Gaurav Watts
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  2. M. K. Singha
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  3. S. Pradyumna
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Correspondence to S. Pradyumna.

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Watts, G., Singha, M.K. & Pradyumna, S. A numerical study on the nonlinear behavior of corner supported flat and curved panels. Arch Appl Mech 88, 503–516 (2018). https://doi.org/10.1007/s00419-017-1322-1

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  • DOI: https://doi.org/10.1007/s00419-017-1322-1

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